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Finding the Fourth Proportional to 28,417.08, 39,223.80 and 16,483.08

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Solution

The fourth proportional to 28,417.08, 39,223.80 and 16,483.08 is: 22,751.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,417.08 : 39,223.80 = 16,483.08 : x
  2. Step 2: Convert to fraction form
    28,417.08/39,223.80 = 16,483.08/x
  3. Step 3: Cross multiply
    28,417.08x = 39,223.80 × 16,483.08
  4. Step 4: Simplify right side
    28,417.08x = 646,529,033.30
  5. Step 5: Solve for x
    x = 646,529,033.30/28,417.08
  6. Step 6: Final answer
    x = 22,751.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.